Finding the Fourth Proportional to 2,156.76, 2,974.70 and 1,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.76 : 2,974.70 = 1,494.72 : x
2. Step 2: Convert to fraction form
   2,156.76/2,974.70 = 1,494.72/x
3. Step 3: Cross multiply
   2,156.76x = 2,974.70 × 1,494.72
4. Step 4: Simplify right side
   2,156.76x = 4,446,343.58
5. Step 5: Solve for x
   x = 4,446,343.58/2,156.76
6. Step 6: Final answer
   x = 2,061.58